CVE-2010-4075: Infoleak
First published: Mon Nov 01 2010(Updated: )
Description of problem: The TIOCGICOUNT device ioctl in serial_core.c allows unprivileged users to read uninitialized stack memory, because the "reserved" member of the serial_icounter_struct struct declared on the stack is not altered or zeroed before being copied back to the user. Reference: <a href="http://www.openwall.com/lists/oss-security/2010/10/06/6">http://www.openwall.com/lists/oss-security/2010/10/06/6</a> <a href="http://lkml.indiana.edu/hypermail//linux/kernel/1009.1/03388.html">http://lkml.indiana.edu/hypermail//linux/kernel/1009.1/03388.html</a> Acknowledgements: Red Hat would like to thank Dan Rosenberg for reporting this issue.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <2.6.37 | |
| debian/linux-2.6 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=648660
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc1
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d281da7ff6f70efca0553c288bb883e8605b3862
- http://www.openwall.com/lists/oss-security/2010/10/25/3
- http://www.openwall.com/lists/oss-security/2010/10/06/6
- http://lkml.indiana.edu/hypermail//linux/kernel/1009.1/03388.html
- http://www.openwall.com/lists/oss-security/2010/09/25/2
- http://www.openwall.com/lists/oss-security/2010/10/07/1
- http://www.redhat.com/support/errata/RHSA-2010-0958.html
- http://www.securityfocus.com/bid/43806
- http://secunia.com/advisories/42963
- http://www.redhat.com/support/errata/RHSA-2011-0162.html
- http://www.vupen.com/english/advisories/2011/0168
- http://www.redhat.com/support/errata/RHSA-2011-0007.html
- http://secunia.com/advisories/42884
- http://secunia.com/advisories/42890
- http://www.redhat.com/support/errata/RHSA-2011-0017.html
- http://secunia.com/advisories/46397
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- http://www.securityfocus.com/archive/1/520102/100/0/threaded
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d281da7ff6f70efca0553c288bb883e8605b3862
- https://launchpad.net/bugs/cve/CVE-2010-4075
- http://git.kernel.org/linus/d281da7ff6f70efca0553c288bb883e8605b3862
- https://rhn.redhat.com/errata/RHSA-2010-0958.html
- https://rhn.redhat.com/errata/RHSA-2011-0007.html
- https://rhn.redhat.com/errata/RHSA-2011-0017.html
- https://rhn.redhat.com/errata/RHSA-2011-0162.html
- https://security-tracker.debian.org/tracker/CVE-2010-4075
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-4075
- https://nvd.nist.gov/vuln/detail/CVE-2010-4075
- https://ubuntu.com/security/CVE-2010-4075
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